Finding the Fourth Proportional to 64,245.72, 88,684.59 and 43,553.97

Step by Step Solution

1. Step 1: Write the proportion equation
   64,245.72 : 88,684.59 = 43,553.97 : x
2. Step 2: Convert to fraction form
   64,245.72/88,684.59 = 43,553.97/x
3. Step 3: Cross multiply
   64,245.72x = 88,684.59 × 43,553.97
4. Step 4: Simplify right side
   64,245.72x = 3,862,565,972.32
5. Step 5: Solve for x
   x = 3,862,565,972.32/64,245.72
6. Step 6: Final answer
   x = 60,121.76